132810857 has 2 divisors, whose sum is σ = 132810858. Its totient is φ = 132810856.

The previous prime is 132810841. The next prime is 132810869. The reversal of 132810857 is 758018231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 132802576 + 8281 = 11524^2 + 91^2 .

It is a cyclic number.

It is not a de Polignac number, because 132810857 - 2⁴ = 132810841 is a prime.

It is not a weakly prime, because it can be changed into another prime (132410857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66405428 + 66405429.

It is an arithmetic number, because the mean of its divisors is an integer number (66405429).

Almost surely, 2^132810857 is an apocalyptic number.

It is an amenable number.

132810857 is a deficient number, since it is larger than the sum of its proper divisors (1).

132810857 is an equidigital number, since it uses as much as digits as its factorization.

132810857 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13440, while the sum is 35.

The square root of 132810857 is about 11524.3592880472. The cubic root of 132810857 is about 510.2047838379.

The spelling of 132810857 in words is "one hundred thirty-two million, eight hundred ten thousand, eight hundred fifty-seven".